Home / 38,543.78-57,837.54-15,186.62

Finding the Fourth Proportional to 38,543.78, 57,837.54 and 15,186.62

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Solution

The fourth proportional to 38,543.78, 57,837.54 and 15,186.62 is: 22,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543.78 : 57,837.54 = 15,186.62 : x
  2. Step 2: Convert to fraction form
    38,543.78/57,837.54 = 15,186.62/x
  3. Step 3: Cross multiply
    38,543.78x = 57,837.54 × 15,186.62
  4. Step 4: Simplify right side
    38,543.78x = 878,356,943.26
  5. Step 5: Solve for x
    x = 878,356,943.26/38,543.78
  6. Step 6: Final answer
    x = 22,788.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.